<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Document</title>
  <script src="https://cdn.jsdelivr.net/npm/vue@2"></script>
 
</head>
<body>
  <div id="app">
    {{ message }}
  </div>
  <script >
    var app = new Vue({
     el: '#app',
     data: {
       message: 'Hello Vue!'
     }
   })
     </script>
</body>
</html>